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Check Valves（Material：Bronze）

Check valves for fluids are a type of valves which allow fluids to flow in one direction, but automatically close when the flow reverses. They are also called non-return valves or one-way valves. They can prevent the backflow securely and open with small differential pressure. They are applied to piping systems where the backflow prevention is required, frequent open/close are expected, some restrictions exist around the pipings, etc. To install, there are screw-in connection type to screw in the check valve, and flangeless type that clamps the entire check valve with pipes. Furthermore, they are divided into small diameter valves or large diameter valves. Materials of the main body are copper alloy, stainless steel, fluoropolymer, plastic, etc. Sealing materials vary depending on the application; metal is used for places where the temperature becomes high due to steam, etc., and rubber is for places under low temperatures such as hot or cold water.

Configure

Specification/Dimensions

Applicable Fluid
- Water
- Air
- Oil
- Gas
- Chemical
- Others
Clear

Type
- Swing Type
- Lift Type
- Spring Type (In-line)
- Wafer Type
- Others
Clear

Material
Brass

Bronze

Cast Iron

Cast Steel

Ductile Cast Iron

Lead-free Copper Alloy

Resin

Stainless Steel

Stainless Steel Cast

Steel
Clear

Max. Operating Pressure(MPa)
0.5

0.6

0.98

1

1.18

1.2

1.37

1.4

1.6

1.73

2

2.1

2.2

2.75

2.8

3.4

4.9

5.1

21.0

34.5

70
Clear

Nominal Pressure
10K

16K

20K

125

150

200

300

No Standard, Others
Clear

Supply Side, Connection Type
Flange

Rc (R)
Clear

Supply Side, Plumbing Thread Nominal
1B

1 1/2B

1 1/4B

1/2B

1/4B

1/8B

2B

2 1/2B

3B

3/4B

3/8B

4B
Clear

Control Side, Connection Type
Flange

Rc (R)
Clear

Control Side, Plumbing Thread Nominal
1B

1 1/2B

1 1/4B

1/2B

1/4B

1/8B

2B

2 1/2B

3B

3/4B

3/8B

4B
Clear

Supply Side, Tube Flange Nominal
1B

1 1/2B

1 1/4B

1/2B

2B

2 1/2B

3B

3/4B

4B

5B

6B

8B

10B

12B
Clear

Control Side, Tube Flange Nominal
1B

1 1/2B

1 1/4B

1/2B

2B

2 1/2B

3B

3/4B

4B

5B

6B

8B

10B

12B
Clear

Cracking Pressure(MPa)
0.007

0.04

0.05

0.3
Clear

Brand	(0) (0) ASOH (0) DANFOSS (0) ESCO (1) HITACHIVALVE (1) ISHIZAKI CO (0) KITZ (6) KOYO (0) MIYAWAKI (0) ONDASEISAKUSYO (0) RS Pro (0) SEKISUI CHEMICAL (0) SNL FITTING (0) TOMOEVALVE (0) TOYO VALVE (4) VENN (2) YOSHITAKE (0)
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CAD	2D 3D
Days to Ship	All Same day 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less Others

14 items

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R, Class 125 Cast Bronze Swing Check Valve

Until 31/03/2026

R, Class 125 Cast Bronze Swing Check Valve

KITZ

KITZ, check valve for fluid, general-purpose bronze 125 type screw-in swing check valve

From: ฿ 319.00
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2026

O, 10K Cast Bronze Swing Check Valve

KITZ

[Features]
· Secure pipe connection seal.
· A sanitary fitting with zero fluid contamination.
· Highly durable against impact/shock and freezing.
· Excellent workability for more efficient piping.

From: ฿ 1,248.00
Special Price
Days to Ship: Same day

Same day

Compare

RF/RFD, 10K Cast Bronze Lift Check Valve

Until 31/03/2026

RF/RFD, 10K Cast Bronze Lift Check Valve

KITZ

KITZ, check valve for fluid, general-purpose 10 K bronze screw-in lift check valve

From: ฿ 428.00
Special Price
Days to Ship: Same day

Same day

Compare

F, Class 150 Cast Bronze Lift Check Valve

Until 31/03/2026

F, Class 150 Cast Bronze Lift Check Valve

KITZ

A bronze, threaded, general-purpose 150 type lift check valve, manufactured by KITZ, with a track record in Japan for top-class quality screw-in fittings / pipe components.

From: ฿ 255.00
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Until 31/03/2026

OB, 10K Cast Bronze Swing Check Valve

KITZ

KITZ, Check Valve for Fluid, Bronze, for General Purpose,10K Swing Check Valve Flange.
[Features]
・ Secure sealing of pipe connection
・ Hygienic with zero fluid contamination
・ High durability against freezing and impact
・ Excellent workability and efficient piping is possible

From: ฿ 6,088.00
Special Price
Days to Ship: 4 Day(s)

4 Day(s)

Compare

125 Type - Bronze Screw-in Type Swing Check Valve

TOYO VALVE

·This valve is highly safe against corrosive environments. ·Please use it in horizontal piping and upright position.

From: ฿ 724.87
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Swing check valve, bronze

ESCO

ESCO Check valves and swing check valves for fluids.

From: ฿ 2,084.85
Days to Ship: 3 Day(s)

3 Day(s)

Compare

YR, Class 125 Cast Bronze Y-Shaped Swing Check Valve

Until 31/03/2026

YR, Class 125 Cast Bronze Y-Shaped Swing Check Valve

KITZ

[Specifications]
・Applicable Fluid: Water
・Nominal Pressure: 125 Type
・Main Body: Bronze
・Max. Operating Pressure(MPa): 1.18

From: ฿ 455.21
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

125H Model Bronze Screw-in Type Swing Check Valve

TOYO VALVE

A valve that is safe for use in corrosive environments.

From: ฿ 838.89
Days to Ship: 3 Day(s)

3 Day(s)

Compare

10K Bronze Threaded Swing Check Valve (Metal Sheet) (JIS B 2011)<<New JIS Products>>

TOYO VALVE

A valve that is safe for use in corrosive environments.

From: ฿ 919.70
Days to Ship: 3 Day(s)

3 Day(s)

Compare

150 E Type - Bronze Screw-in Type Lift Check Valve

TOYO VALVE

A valve that is very safe for use in corrosive environments.

From: ฿ 751.48
Days to Ship: 5 Day(s)

5 Day(s)

Compare

CS-7N Type Check Valve (for Cold/Hot Water)

VENN

Ensures a safe and reliable supply of water for various types of water supply systems by preventing backflow (due to backpressure resulting from pressure drops when the supply is cut off). Compliant with the Japan Water Works Association 'JWWA-B-129 Backflow Preventer Valve' standard. A check valve is installed on the inlet end of the mixing valve to ensure the safety of water supply and hot water systems.

[Features]
·Allows for easy maintenance, without having to remove the check valve from the pipe.
• The provision of an inspection hole allows for easy function checks.
·Reduces pressure drops.
• Usable with warm water up to 90°C.
• Pipe end cores are used for connectors, as they are made of material that won't rust, thus preventing rust-colored water.

From: ฿ 100.00
Days to Ship: 7 Day(s)

7 Day(s)

Compare

Malleable Valve, General-Purpose 10K Type, Check Valve (Inline Type), Screw-in Type

HITACHIVALVE

[Features]
· Economical and strong Malleable valve.
· The main part is mainly made of stainless steel, which is less prone to wear compared to bronze valves.
· Ideal for steel-based pipes, prevents corrosion due to difference in contact potential.

From: ฿ 1,524.82
Days to Ship: Same day

Same day

Compare

CS-3SSN, Check Valve (for Cold Water / Hot Water)

VENN

Spring-type for apartment buildings, houses, building facilities, etc. (low pressure loss, prevents water hammer)

[Features]
· For various water supply systems; prevents backflow using back pressure when the pressure of the supply water source decreases due to water supply cutoff, and for maintenance of a reliable and safe water supply.
· Spring style with a closing valve for back-flow prevention during a water outage; prevents water hammering, delivering excellent safety.
· Valve body includes a synthetic rubber disk.
· Usable with warm water up to 90°C.
· Water can be supplied with low pressure loss.
· Pipe end cores are used for connectors, as they are made of material that will not rust, thus preventing rust-colored water.
· The valve body employs a cartridge structure for easy maintenance.
· Noise is kept to 40 dB or below (at rated flow rate) while water is flowing, roughly the same level of noise produced by standard pipes.

From: ฿ 1,273.79
Days to Ship: 7 Day(s)

7 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Applicable Fluid
Type
Material
Max. Operating Pressure(MPa)
Nominal Pressure
Supply Side, Connection Type
Supply Side, Plumbing Thread Nominal
Control Side, Connection Type
Control Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Control Side, Tube Flange Nominal
Cracking Pressure(MPa)

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	KITZ	KITZ	KITZ	KITZ	KITZ	TOYO VALVE	ESCO	KITZ	TOYO VALVE	TOYO VALVE	TOYO VALVE	VENN	HITACHIVALVE	VENN
Product Series	R, Class 125 Cast Bronze Swing Check Valve	O, 10K Cast Bronze Swing Check Valve	RF/RFD, 10K Cast Bronze Lift Check Valve	F, Class 150 Cast Bronze Lift Check Valve	OB, 10K Cast Bronze Swing Check Valve	125 Type - Bronze Screw-in Type Swing Check Valve	Swing check valve, bronze	YR, Class 125 Cast Bronze Y-Shaped Swing Check Valve	125H Model Bronze Screw-in Type Swing Check Valve	10K Bronze Threaded Swing Check Valve (Metal Sheet) (JIS B 2011)<<New JIS Products>>	150 E Type - Bronze Screw-in Type Lift Check Valve	CS-7N Type Check Valve (for Cold/Hot Water)	Malleable Valve, General-Purpose 10K Type, Check Valve (Inline Type), Screw-in Type	CS-3SSN, Check Valve (for Cold Water / Hot Water)
CAD						2D			2D	2D	2D		2D
From	฿ 319.00 Special Price On Sale Until 31/03/2026	฿ 1,248.00 Special Price On Sale Until 31/03/2026	฿ 428.00 Special Price On Sale Until 31/03/2026	฿ 255.00 Special Price On Sale Until 31/03/2026	฿ 6,088.00 Special Price On Sale Until 31/03/2026	฿ 724.87	฿ 2,084.85	฿ 455.21 Special Price On Sale Until 31/03/2026	฿ 838.89	฿ 919.70	฿ 751.48	฿ 100.00	฿ 1,524.82	฿ 1,273.79
Days to Ship	Same day	Same day	Same day	3 Day(s)	4 Day(s)	3 Day(s)	3 Day(s)	3 Day(s)	3 Day(s)	3 Day(s)	5 Day(s)	7 Day(s)	Same day	7 Day(s)
Applicable Fluid	Water	Water / Air / Oil / Gas	Water	Water	Water / Air / Oil / Gas	Water / Others	Water / Air / Oil / Gas	Water	Water / Others	Water	Water / Others	Water / Others	Water / Air / Oil	Water
Type	Swing Type	Swing Type	Lift Type	Lift Type	Swing Type	Swing Type	Swing Type	Swing Type	Swing Type	Swing Type	Lift Type	Others	Spring Type (In-line)	Others
Material	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze	Bronze
Max. Operating Pressure(MPa)	1.18	1.4	1.37 ～ 1.4	1.37 ～ 1.6	1.4	1.2	1.37	1.18	1.2	1.4	1.6	1	1.37	1
Nominal Pressure	125	10K	10K	150	10K	125	-	125	125	10K	150	No Standard, Others	10K	No Standard, Others
Supply Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Supply Side, Plumbing Thread Nominal	1B ～ 4B	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/8B	-	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/4B	3/4B
Control Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	-	-	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Control Side, Plumbing Thread Nominal	1B ～ 4B	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/8B	-	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/4B	3/4B
Supply Side, Tube Flange Nominal	-	-	-	-	1B ～ 3/4B	-	-	-	-	-	-	-	-	-
Control Side, Tube Flange Nominal	-	-	-	-	1B ～ 3/4B	-	-	-	-	-	-	-	-	-
Cracking Pressure(MPa)	-	-	-	-	-	-	-	-	-	-	-	-	-	-